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! From dyn3d/leapfrog.F, version 1.6, 2005/04/13 08:58:34 |
! From dyn3d/leapfrog.F, version 1.6, 2005/04/13 08:58:34 |
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! Authors: P. Le Van, L. Fairhead, F. Hourdin |
! Authors: P. Le Van, L. Fairhead, F. Hourdin |
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! Matsuno-leapfrog scheme. |
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use addfi_m, only: addfi |
14 |
USE calfis_m, ONLY: calfis |
USE calfis_m, ONLY: calfis |
15 |
USE com_io_dyn, ONLY: histaveid |
USE com_io_dyn, ONLY: histaveid |
16 |
USE comconst, ONLY: daysec, dtphys, dtvr |
USE comconst, ONLY: daysec, dtphys, dtvr |
25 |
use filtreg_m, only: filtreg |
use filtreg_m, only: filtreg |
26 |
USE guide_m, ONLY: guide |
USE guide_m, ONLY: guide |
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use inidissip_m, only: idissip |
use inidissip_m, only: idissip |
28 |
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use integrd_m, only: integrd |
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USE logic, ONLY: iflag_phys, ok_guide |
USE logic, ONLY: iflag_phys, ok_guide |
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USE paramet_m, ONLY: ip1jmp1 |
USE paramet_m, ONLY: ip1jmp1 |
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USE pression_m, ONLY: pression |
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USE pressure_var, ONLY: p3d |
USE pressure_var, ONLY: p3d |
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USE temps, ONLY: itau_dyn |
USE temps, ONLY: itau_dyn |
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! Variables dynamiques: |
! Variables dynamiques: |
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REAL vcov((iim + 1) * jjm, llm), ucov(ip1jmp1, llm) ! vents covariants |
REAL, intent(inout):: ucov(ip1jmp1, llm) ! vent covariant |
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REAL, intent(inout):: vcov((iim + 1) * jjm, llm) ! vent covariant |
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REAL, intent(inout):: teta(iim + 1, jjm + 1, llm) ! potential temperature |
REAL, intent(inout):: teta(iim + 1, jjm + 1, llm) ! potential temperature |
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REAL ps(iim + 1, jjm + 1) ! pression au sol, en Pa |
REAL ps(iim + 1, jjm + 1) ! pression au sol, en Pa |
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REAL masse(ip1jmp1, llm) ! masse d'air |
REAL masse(ip1jmp1, llm) ! masse d'air |
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REAL phis(ip1jmp1) ! geopotentiel au sol |
REAL phis(ip1jmp1) ! geopotentiel au sol |
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REAL q(ip1jmp1, llm, nqmx) ! mass fractions of advected fields |
REAL q(ip1jmp1, llm, nqmx) ! mass fractions of advected fields |
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INTEGER itau ! index of the time step of the dynamics, starts at 0 |
INTEGER itau ! index of the time step of the dynamics, starts at 0 |
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INTEGER itaufin |
INTEGER itaufin |
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INTEGER iday ! jour julien |
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REAL time ! time of day, as a fraction of day length |
REAL time ! time of day, as a fraction of day length |
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real finvmaold(ip1jmp1, llm) |
real finvmaold(ip1jmp1, llm) |
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LOGICAL:: lafin=.false. |
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INTEGER l |
INTEGER l |
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REAL rdayvrai, rdaym_ini |
REAL rdayvrai, rdaym_ini |
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! Variables test conservation energie |
! Variables test conservation energie |
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! cree par la dissipation |
! cree par la dissipation |
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REAL dtetaecdt(iim + 1, jjm + 1, llm) |
REAL dtetaecdt(iim + 1, jjm + 1, llm) |
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REAL vcont((iim + 1) * jjm, llm), ucont(ip1jmp1, llm) |
REAL vcont((iim + 1) * jjm, llm), ucont(ip1jmp1, llm) |
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logical forward, leapf |
logical leapf |
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REAL dt |
real dt |
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!--------------------------------------------------- |
!--------------------------------------------------- |
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print *, "Call sequence information: leapfrog" |
print *, "Call sequence information: leapfrog" |
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itaufin = nday * day_step |
itaufin = nday * day_step |
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itau = 0 |
! "day_step" is a multiple of "iperiod", therefore "itaufin" is one too |
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iday = day_ini |
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time = time_0 |
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dq = 0. |
dq = 0. |
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! On initialise la pression et la fonction d'Exner : |
! On initialise la pression et la fonction d'Exner : |
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CALL pression(ip1jmp1, ap, bp, ps, p3d) |
forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps |
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CALL exner_hyb(ps, p3d, pks, pk, pkf) |
CALL exner_hyb(ps, p3d, pks, pk, pkf) |
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! Début de l'integration temporelle : |
! Début de l'integration temporelle : |
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outer_loop:do |
do itau = 0, itaufin - 1 |
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if (ok_guide .and. (itaufin - itau - 1) * dtvr > 21600.) & |
leapf = mod(itau, iperiod) /= 0 |
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call guide(itau, ucov, vcov, teta, q, masse, ps) |
if (leapf) then |
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vcovm1 = vcov |
dt = 2 * dtvr |
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ucovm1 = ucov |
else |
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tetam1 = teta |
! Matsuno |
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massem1 = masse |
dt = dtvr |
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psm1 = ps |
if (ok_guide .and. (itaufin - itau - 1) * dtvr > 21600.) & |
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forward = .TRUE. |
call guide(itau, ucov, vcov, teta, q, masse, ps) |
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leapf = .FALSE. |
vcovm1 = vcov |
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dt = dtvr |
ucovm1 = ucov |
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finvmaold = masse |
tetam1 = teta |
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CALL filtreg(finvmaold, jjm + 1, llm, - 2, 2, .TRUE., 1) |
massem1 = masse |
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psm1 = ps |
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finvmaold = masse |
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CALL filtreg(finvmaold, jjm + 1, llm, - 2, 2, .TRUE., 1) |
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end if |
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! Calcul des tendances dynamiques: |
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CALL geopot(ip1jmp1, teta, pk, pks, phis, phi) |
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CALL caldyn(itau, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, & |
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MOD(itau, iconser) == 0, du, dv, dteta, dp, w, pbaru, pbarv, & |
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time_0) |
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! Calcul des tendances advection des traceurs (dont l'humidité) |
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CALL caladvtrac(q, pbaru, pbarv, p3d, masse, dq, teta, pk) |
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! Stokage du flux de masse pour traceurs offline: |
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IF (offline) CALL fluxstokenc(pbaru, pbarv, masse, teta, phi, phis, & |
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dtvr, itau) |
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! integrations dynamique et traceurs: |
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CALL integrd(vcovm1, ucovm1, tetam1, psm1, massem1, dv, du, dteta, dp, & |
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vcov, ucov, teta, q(:, :, :2), ps, masse, finvmaold, dt, leapf) |
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if (.not. leapf) then |
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! Matsuno backward |
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forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps |
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CALL exner_hyb(ps, p3d, pks, pk, pkf) |
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do |
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! Calcul des tendances dynamiques: |
! Calcul des tendances dynamiques: |
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CALL geopot(ip1jmp1, teta, pk, pks, phis, phi) |
CALL geopot(ip1jmp1, teta, pk, pks, phis, phi) |
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CALL caldyn(itau, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, & |
CALL caldyn(itau + 1, ucov, vcov, teta, ps, masse, pk, pkf, phis, & |
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MOD(itau, iconser) == 0, du, dv, dteta, dp, w, pbaru, pbarv, & |
phi, .false., du, dv, dteta, dp, w, pbaru, pbarv, time_0) |
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time + iday - day_ini) |
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IF (forward .OR. leapf) THEN |
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! Calcul des tendances advection des traceurs (dont l'humidité) |
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CALL caladvtrac(q, pbaru, pbarv, p3d, masse, dq, teta, pk) |
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IF (offline) THEN |
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! Stokage du flux de masse pour traceurs off-line |
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CALL fluxstokenc(pbaru, pbarv, masse, teta, phi, phis, dtvr, & |
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itau) |
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ENDIF |
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ENDIF |
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! integrations dynamique et traceurs: |
! integrations dynamique et traceurs: |
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CALL integrd(2, vcovm1, ucovm1, tetam1, psm1, massem1, dv, du, & |
CALL integrd(vcovm1, ucovm1, tetam1, psm1, massem1, dv, du, dteta, & |
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dteta, dq, dp, vcov, ucov, teta, q, ps, masse, phis, & |
dp, vcov, ucov, teta, q(:, :, :2), ps, masse, finvmaold, dtvr, & |
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finvmaold, leapf, dt) |
leapf=.false.) |
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end if |
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IF (MOD(itau + 1, iphysiq) == 0 .AND. iflag_phys /= 0) THEN |
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! calcul des tendances physiques: |
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IF (itau + 1 == itaufin) lafin = .TRUE. |
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CALL pression(ip1jmp1, ap, bp, ps, p3d) |
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CALL exner_hyb(ps, p3d, pks, pk, pkf) |
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rdaym_ini = itau * dtvr / daysec |
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rdayvrai = rdaym_ini + day_ini |
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CALL calfis(nqmx, lafin, rdayvrai, time, ucov, vcov, teta, q, & |
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masse, ps, pk, phis, phi, du, dv, dteta, dq, w, & |
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dufi, dvfi, dtetafi, dqfi, dpfi) |
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! ajout des tendances physiques: |
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CALL addfi(nqmx, dtphys, ucov, vcov, teta, q, ps, dufi, dvfi, & |
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dtetafi, dqfi, dpfi) |
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ENDIF |
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CALL pression(ip1jmp1, ap, bp, ps, p3d) |
IF (MOD(itau + 1, iphysiq) == 0 .AND. iflag_phys /= 0) THEN |
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CALL exner_hyb(ps, p3d, pks, pk, pkf) |
! calcul des tendances physiques: |
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IF (MOD(itau + 1, idissip) == 0) THEN |
forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps |
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! dissipation horizontale et verticale des petites echelles: |
CALL exner_hyb(ps, p3d, pks, pk, pkf) |
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! calcul de l'energie cinetique avant dissipation |
rdaym_ini = itau * dtvr / daysec |
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call covcont(llm, ucov, vcov, ucont, vcont) |
rdayvrai = rdaym_ini + day_ini |
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call enercin(vcov, ucov, vcont, ucont, ecin0) |
time = REAL(mod(itau, day_step)) / day_step + time_0 |
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IF (time > 1.) time = time - 1. |
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! dissipation |
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CALL dissip(vcov, ucov, teta, p3d, dvdis, dudis, dtetadis) |
CALL calfis(rdayvrai, time, ucov, vcov, teta, q, masse, ps, pk, & |
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ucov=ucov + dudis |
phis, phi, du, dv, dteta, dq, w, dufi, dvfi, dtetafi, dqfi, & |
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vcov=vcov + dvdis |
dpfi, lafin=itau+1==itaufin) |
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! On rajoute la tendance due à la transformation Ec -> E |
! ajout des tendances physiques: |
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! thermique créée lors de la dissipation |
CALL addfi(nqmx, dtphys, ucov, vcov, teta, q, ps, dufi, dvfi, & |
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call covcont(llm, ucov, vcov, ucont, vcont) |
dtetafi, dqfi, dpfi) |
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call enercin(vcov, ucov, vcont, ucont, ecin) |
ENDIF |
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dtetaecdt= (ecin0 - ecin) / pk |
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dtetadis=dtetadis + dtetaecdt |
forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps |
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teta=teta + dtetadis |
CALL exner_hyb(ps, p3d, pks, pk, pkf) |
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! Calcul de la valeur moyenne unique de h aux pôles |
IF (MOD(itau + 1, idissip) == 0) THEN |
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forall (l = 1: llm) |
! dissipation horizontale et verticale des petites echelles: |
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teta(:, 1, l) = SUM(aire_2d(:iim, 1) * teta(:iim, 1, l)) & |
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/ apoln |
! calcul de l'energie cinetique avant dissipation |
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teta(:, jjm + 1, l) = SUM(aire_2d(:iim, jjm+1) & |
call covcont(llm, ucov, vcov, ucont, vcont) |
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* teta(:iim, jjm + 1, l)) / apols |
call enercin(vcov, ucov, vcont, ucont, ecin0) |
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END forall |
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! dissipation |
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ps(:, 1) = SUM(aire_2d(:iim, 1) * ps(:iim, 1)) / apoln |
CALL dissip(vcov, ucov, teta, p3d, dvdis, dudis, dtetadis) |
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ps(:, jjm + 1) = SUM(aire_2d(:iim, jjm+1) * ps(:iim, jjm + 1)) & |
ucov=ucov + dudis |
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/ apols |
vcov=vcov + dvdis |
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END IF |
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! On rajoute la tendance due à la transformation Ec -> E |
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! fin de l'intégration dynamique et physique pour le pas "itau" |
! thermique créée lors de la dissipation |
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! préparation du pas d'intégration suivant |
call covcont(llm, ucov, vcov, ucont, vcont) |
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call enercin(vcov, ucov, vcont, ucont, ecin) |
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! schema matsuno + leapfrog |
dtetaecdt= (ecin0 - ecin) / pk |
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IF (forward .OR. leapf) THEN |
dtetadis=dtetadis + dtetaecdt |
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itau = itau + 1 |
teta=teta + dtetadis |
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iday = day_ini + itau / day_step |
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time = REAL(itau - (iday - day_ini) * day_step) / day_step & |
! Calcul de la valeur moyenne aux pôles : |
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+ time_0 |
forall (l = 1: llm) |
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IF (time > 1.) THEN |
teta(:, 1, l) = SUM(aire_2d(:iim, 1) * teta(:iim, 1, l)) & |
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time = time - 1. |
/ apoln |
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iday = iday + 1 |
teta(:, jjm + 1, l) = SUM(aire_2d(:iim, jjm+1) & |
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ENDIF |
* teta(:iim, jjm + 1, l)) / apols |
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ENDIF |
END forall |
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IF (itau == itaufin + 1) exit outer_loop |
ps(:, 1) = SUM(aire_2d(:iim, 1) * ps(:iim, 1)) / apoln |
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ps(:, jjm + 1) = SUM(aire_2d(:iim, jjm+1) * ps(:iim, jjm + 1)) & |
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IF (MOD(itau, iperiod) == 0 .OR. itau == itaufin) THEN |
/ apols |
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! ecriture du fichier histoire moyenne: |
END IF |
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CALL writedynav(histaveid, nqmx, itau, vcov, & |
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ucov, teta, pk, phi, q, masse, ps, phis) |
IF (MOD(itau + 1, iperiod) == 0) THEN |
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call bilan_dyn(2, dtvr * iperiod, dtvr * day_step * periodav, & |
! ecriture du fichier histoire moyenne: |
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ps, masse, pk, pbaru, pbarv, teta, phi, ucov, vcov, q) |
CALL writedynav(histaveid, nqmx, itau + 1, vcov, ucov, teta, pk, & |
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ENDIF |
phi, q, masse, ps, phis) |
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call bilan_dyn(2, dtvr * iperiod, dtvr * day_step * periodav, ps, & |
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IF (itau == itaufin) CALL dynredem1("restart.nc", vcov, ucov, teta, & |
masse, pk, pbaru, pbarv, teta, phi, ucov, vcov, q) |
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q, masse, ps, itau=itau_dyn+itaufin) |
ENDIF |
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end do |
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! gestion de l'integration temporelle: |
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IF (MOD(itau, iperiod) == 0) exit |
CALL dynredem1("restart.nc", vcov, ucov, teta, q, masse, ps, & |
224 |
IF (MOD(itau - 1, iperiod) == 0) THEN |
itau=itau_dyn+itaufin) |
225 |
IF (forward) THEN |
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! fin du pas forward et debut du pas backward |
! Calcul des tendances dynamiques: |
227 |
forward = .FALSE. |
CALL geopot(ip1jmp1, teta, pk, pks, phis, phi) |
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leapf = .FALSE. |
CALL caldyn(itaufin, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, & |
229 |
ELSE |
MOD(itaufin, iconser) == 0, du, dv, dteta, dp, w, pbaru, pbarv, & |
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! fin du pas backward et debut du premier pas leapfrog |
time_0) |
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leapf = .TRUE. |
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dt = 2. * dtvr |
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END IF |
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ELSE |
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! pas leapfrog |
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leapf = .TRUE. |
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dt = 2. * dtvr |
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END IF |
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end do |
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end do outer_loop |
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232 |
END SUBROUTINE leapfrog |
END SUBROUTINE leapfrog |
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